Use rocky tag for openstack service rather than master package
Use rocky tag for openstack service rather than master package

Revert this after kolla rocky branch is created.

Change-Id: I5b6ad6ffd806e0ea0e1adc6ff0a7a14fd647cdd3

rahulunair/kolla,stackforge/kolla,stackforge/kolla,rahulunair/kolla,openstack/kolla,stackforge/kolla,openstack/kolla